127080530 has 16 divisors (see below), whose sum is σ = 229730904. Its totient is φ = 50613120.

The previous prime is 127080521. The next prime is 127080539. The reversal of 127080530 is 35080721.

It is a Cunningham number, because it is equal to 11273²+1.

It is an interprime number because it is at equal distance from previous prime (127080521) and next prime (127080539).

It can be written as a sum of positive squares in 4 ways, for example, as 45738169 + 81342361 = 6763^2 + 9019^2 .

It is a super-2 number, since 2×127080530² = 32298922210161800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127080530.

It is not an unprimeable number, because it can be changed into a prime (127080539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24941 + ... + 29600.

Almost surely, 2^127080530 is an apocalyptic number.

127080530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127080530 is a deficient number, since it is larger than the sum of its proper divisors (102650374).

127080530 is a wasteful number, since it uses less digits than its factorization.

127080530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54781.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 127080530 is about 11273.0000443538. Note that the first 4 decimals coincide. The cubic root of 127080530 is about 502.7587901578.

The spelling of 127080530 in words is "one hundred twenty-seven million, eighty thousand, five hundred thirty".